hdu 2010 水仙花数

#include<iostream>using namespace std;int main(){     int m,n,a,b,c,i;    while(cin>>m>>n)    {     i=0;        for(;m<=n;m++)        {   a=m/100;           b=m/10%10;           c=m%10;           if(m==a*a*a+b*b*b+c*c*c)           {       i++;  if(i>1)  cout<<" ";  cout<<m;                 }        }        if(i==0)        cout<<"no"<<endl;        else cout<<endl;    }return 0;}